Hostname

ref.by

Last fetched Wed, 03 Jun 2026 22:00:09 GMT

ref.by resolves to 1 IPv4 address operated by AS16276 in DE. WHOIS lists registrar:open contact, ltd as the registrar.

Nutrition Label

Resolution chain

ref.by resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
57.129.45.176	57.129.0.0/17	AS16276	—	DE

WHOIS identity

Registrar: registrar:open contact, ltd
Organization: hidden! details are available at http://www.cctld.by/whois
Contact emails: —

Subdomains

6 observed subdomains of ref.by.

Subdomain
a.ref.by
otvet.ref.by
soch.ref.by
www.ref.by

Showing 4 of 6. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from ref.by in the public web crawl.

147 sites link to this hostname.

2 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.yandex.ru

SPF policy

1 SPF mechanism authorising senders for ref.by.

Mechanism	Target
SPF_REDIRECT	_spf.yandex.ru

Pivot deeper into the graph from ref.by.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "ref.by"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.